#----------------------------------
for((i=31; i<=48; i++))
do
echo $i
	ssh -n "node"${i} "sudo sysctl -w net.core.rmem_max=$1; sudo sysctl -w net.core.rmem_default=$1;"
	ssh -n "node"${i} "sudo sysctl -w net.core.wmem_max=$1; sudo sysctl -w net.core.wmem_default=$1;"
done
#-----------------------------------
for((i=28; i<=27; i++))
do
echo $i
	ssh -n "node"${i} "sudo sysctl -w net.core.rmem_max=35000000; sudo sysctl -w net.core.rmem_default=35000000;"

	ssh -n "node"${i} "sudo sysctl -w net.core.wmem_max=35000000; sudo sysctl -w net.core.wmem_default=35000000;"
done
#-----------------------------------

